package com.usian.admin.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.google.common.collect.Maps;
import com.usian.admin.mapper.AdUserMapper;
import com.usian.admin.service.UserLoginService;
import com.usian.model.admin.dtos.AdUserDto;
import com.usian.model.admin.pojos.AdUser;
import com.usian.model.common.dtos.ResponseResult;
import com.usian.model.common.enums.AppHttpCodeEnum;
import com.usian.utils.common.AppJwtUtil;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.List;

@Service
public class UserLoginServiceImpl extends ServiceImpl<AdUserMapper, AdUser> implements UserLoginService {


    @Override
    public ResponseResult login(AdUserDto dto) {

        //参数校验
        if (StringUtils.isEmpty(dto.getName()) || StringUtils.isEmpty(dto.getPassword())){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"用户名或密码不能为空");
        }
        QueryWrapper<AdUser> adUserQueryWrapper = new QueryWrapper<>();
        adUserQueryWrapper.eq("name",dto.getName());

        List<AdUser> list = list(adUserQueryWrapper);

        if (list != null && list.size() == 1){
            AdUser adUser = list.get(0);
            String pwd = DigestUtils.md5DigestAsHex((dto.getPassword() + adUser.getSalt()).getBytes());

            if (adUser.getPassword().equals(pwd)){
                HashMap<String, Object> map = Maps.newHashMap();

                adUser.setPassword("");
                adUser.setSalt("");
                map.put("token", AppJwtUtil.getToken(adUser.getId().longValue()));
                map.put("user",adUser);
                return ResponseResult.okResult(map);
            }else {
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }

        }else {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户不存在");
        }
    }
}
